Wenzhou Zhengyi Alibaba Google     Products showroom   ZYWB2   Applications Temperature -20℃~150℃ Pressure ≤0.5Mpa Speed ≤14m/sec Applications 强酸、强氧化剂和其它强腐蚀性液体 Design features Exter nally mounted . single face multiple springs and driven by the pure PTFE bellows. Non-pusher. internal balance structure. fine fluctuate of compen sation and reliable seal

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